The vertical movements of air molecules that result in heat transfer are known as ________, while horizontal movements are known as ________
A) advection, convection B) connection, radiation
C) convection, advection D) conduction, advection
C
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Conglomerate is common, but sedimentary breccia is not. Why?
A)The gravel becomes rounded very quickly during transport. B)The gravel is so easily consolidated. C)The conglomerate is formed in place and does not have to be transported for long distances. D)The sedimentary breccia is composed of rare rock types. E)Conglomerate is weathered by water, but sedimentary breccia is weathered by wind.
A declining dependency ratio
A) requires immediate and permanent increased spending on education and old-age medical expenses. B) requires increased spending on education but decreased costs associated with old-age medical expenses. C) requires permanently decreased spending on education but temporarily increased costs associated with old-age medical expenses. D) permits temporarily decreased spending on education and old-age medical expenses.
The African slave trade began when European governments needed workers for their colonies
a. True b. False Indicate whether the statement is true or false
A(n) ________ forms due to
A. levee; river flow velocity decreases, depositing sediments near the channel margins as water spreads out over a floodplain during a flood. B. point bar; river flow slowing down on the inside of meander bends, depositing sediments. C. oxbow lake; as rivers cut off segments of their channel creating curvy looking lakes. D. cut bank; river flow speeding up on the outside of meander bends eroding sediments. E. All of these choices are correct.